First slide

Trignometry

Question

Find the value of $\cot 300 °$

Moderate

A

$- \frac{1}{\sqrt{3}}$
B

$\frac{1}{\sqrt{3}}$
C

$- \frac{2}{\sqrt{3}}$
D

1

Solution

$c o t 300^{0} = \frac{1}{\tan {(270 + 30)}^{0}} = - \frac{1}{c o t 30^{0}} = - \frac{1}{\sqrt{3}}$
The value of $\cot 300 °$ is $- \frac{1}{\sqrt{3}}$

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